Wrap-Up Next GX Knuckle V4 w/ High Upper Extension Set - RedWrap Up Next (#0683 FD) GX Knuckle V4 w High Upper Extension Set Red Feature: For: Universal Parts With a special design to avoid tyre interference, the kingpin angle can be set from 0 degrees to 1. 5 4. 5 8 degrees. By tilting the pillow ball mounting part by 5 degrees, which optimized the ball's range of motion when setting the camber angle. When using GX knuckles, use the included 6mm spacer in between. *You can adjust the height to your preference